feat(site): i18n string resolver with en fallback

site/src/i18n/en.json

@@ -0,0 +1,34 @@
+{
+  "nav.home": "Home",
+  "nav.install": "Install",
+  "nav.manual": "User manual",
+  "nav.github": "GitHub",
+  "hero.tabs": "termscp — {host} (sftp) connected",
+  "hero.local": "/home/veeso (local)",
+  "hero.remote": "/var/www (remote)",
+  "hero.status": "↹ switch · ↑↓ move · ↵ open · SPACE transfer",
+  "hero.title": "The dual-pane explorer for your terminal",
+  "hero.subtitle": "Local left, remote right. Transfer, sync, edit — never leave the keyboard.",
+  "hero.kicker": "// terminal file transfer",
+  "cta.install": "Install termscp →",
+  "cta.manual": "User manual",
+  "features.heading": "Why termscp",
+  "features.handy.title": "Handy UI",
+  "features.handy.body": "Explore and operate on the remote and local file system with a handy UI.",
+  "features.cross.title": "Cross platform",
+  "features.cross.body": "Runs on Windows, macOS, Linux and BSD.",
+  "features.custom.title": "Customizable",
+  "features.custom.body": "Customize the explorer, the text editor and default options.",
+  "features.bookmarks.title": "Bookmarks",
+  "features.bookmarks.body": "Connect to favourite hosts via bookmarks and recent connections.",
+  "features.security.title": "Security first",
+  "features.security.body": "Store passwords in your operating system key vault.",
+  "features.performance.title": "Eye on performance",
+  "features.performance.body": "Built with an eye on performance to keep CPU usage low.",
+  "protocols.heading": "Speaks every protocol",
+  "install.heading": "Install termscp",
+  "install.subtitle": "Pick your platform. One command and you're in.",
+  "footer.support": "Support me",
+  "footer.rights": "Released under the MIT license.",
+  "lang.label": "Language"
+}